2 if(!defined('sugarEntry') || !sugarEntry) die('Not A Valid Entry Point');
3 /*********************************************************************************
4 * SugarCRM Community Edition is a customer relationship management program developed by
5 * SugarCRM, Inc. Copyright (C) 2004-2011 SugarCRM Inc.
7 * This program is free software; you can redistribute it and/or modify it under
8 * the terms of the GNU Affero General Public License version 3 as published by the
9 * Free Software Foundation with the addition of the following permission added
10 * to Section 15 as permitted in Section 7(a): FOR ANY PART OF THE COVERED WORK
11 * IN WHICH THE COPYRIGHT IS OWNED BY SUGARCRM, SUGARCRM DISCLAIMS THE WARRANTY
12 * OF NON INFRINGEMENT OF THIRD PARTY RIGHTS.
14 * This program is distributed in the hope that it will be useful, but WITHOUT
15 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
16 * FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
19 * You should have received a copy of the GNU Affero General Public License along with
20 * this program; if not, see http://www.gnu.org/licenses or write to the Free
21 * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
24 * You can contact SugarCRM, Inc. headquarters at 10050 North Wolfe Road,
25 * SW2-130, Cupertino, CA 95014, USA. or at email address contact@sugarcrm.com.
27 * The interactive user interfaces in modified source and object code versions
28 * of this program must display Appropriate Legal Notices, as required under
29 * Section 5 of the GNU Affero General Public License version 3.
31 * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
32 * these Appropriate Legal Notices must retain the display of the "Powered by
33 * SugarCRM" logo. If the display of the logo is not reasonably feasible for
34 * technical reasons, the Appropriate Legal Notices must display the words
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36 ********************************************************************************/
40 //Load all relationship metadata
41 include_once("modules/TableDictionary.php");
42 require_once("data/BeanFactory.php");
45 define('REL_LHS','LHS');
46 define('REL_RHS','RHS');
47 define('REL_BOTH','BOTH_SIDES');
48 define('REL_MANY_MANY', 'many-to-many');
49 define('REL_ONE_MANY', 'one-to-many');
50 define('REL_ONE_ONE', 'one-to-one');
52 * A relationship is between two modules.
53 * It contains at least two links.
54 * Each link represents a connection from one record to the records linked in this relationship.
55 * Links have a context(focus) bean while relationships do not.
59 abstract class SugarRelationship
64 protected $ignore_role_filter = false;
65 protected $self_referencing = false; //A relationship is self referencing when LHS module = RHS Module
67 protected static $beansToResave = array();
69 public abstract function add($lhs, $rhs, $additionalFields = array());
73 * @param $lhs SugarBean
74 * @param $rhs SugarBean
77 public abstract function remove($lhs, $rhs);
81 * @param $link Link2 loads the rows for this relationship that match the given link
84 public abstract function load($link);
87 * Gets the query to load a link.
88 * This is currently public, but should prob be made protected later.
91 * @param $link Link Object to get query for.
92 * @return string|array query used to load this relationship
94 public abstract function getQuery($link, $params = array());
99 * @return string|array the query to join against the related modules table for the given link.
101 public abstract function getJoin($link);
105 * @param SugarBean $lhs
106 * @param SugarBean $rhs
109 public abstract function relationship_exists($lhs, $rhs);
113 * @return string name of the table for this relationship
115 public abstract function getRelationshipTable();
118 * @param $link Link2 removes all the beans associated with this link from the relationship
121 public function removeAll($link)
123 $focus = $link->getFocus();
124 $related = $link->getBeans();
125 foreach($related as $relBean)
127 if (empty($relBean->id)) {
131 if ($link->getSide() == REL_LHS)
132 $this->remove($focus, $relBean);
134 $this->remove($relBean, $focus);
139 * @param $rowID id of SugarBean to remove from the relationship
142 public function removeById($rowID){
143 $this->removeRow(array("id" => $rowID));
147 * @return string name of right hand side module.
149 public function getRHSModule()
151 return $this->def['rhs_module'];
155 * @return string name of left hand side module.
157 public function getLHSModule()
159 return $this->def['lhs_module'];
163 * @return String left link in relationship.
165 public function getLHSLink()
167 return $this->lhsLink;
171 * @return String right link in relationship.
173 public function getRHSLink()
175 return $this->rhsLink;
179 * @return array names of fields stored on the relationship
181 public function getFields()
183 return isset($this->def['fields']) ? $this->def['fields'] : array();
187 * @param array $row values to be inserted into the relationship
188 * @return bool|void null if new row was inserted and true if an exesting row was updated
190 protected function addRow($row)
192 $existing = $this->checkExisting($row);
193 if (!empty($existing)) //Update the existing row, overriding the values with those passed in
194 return $this->updateRow($existing['id'], array_merge($existing, $row));
197 foreach($this->getFields() as $def)
199 $field = $def['name'];
200 if (isset($row[$field]))
201 $values[$field] = "'{$row[$field]}'";
203 $values[$field] = "''";
205 $columns = implode(',', array_keys($values));
206 $values = implode(',', $values);
209 $query = "INSERT INTO {$this->getRelationshipTable()} ($columns) VALUES ($values)";
210 DBManagerFactory::getInstance()->query($query);
215 * @param $id id of row to update
216 * @param $values values to insert into row
217 * @return resource result of update satatement
219 protected function updateRow($id, $values)
222 //Unset the ID since we are using it to update the row
223 if (isset($values['id'])) unset($values['id']);
224 foreach($values as $field => $val)
226 $newVals[] = "$field='$val'";
229 $newVals = implode(",",$newVals);
231 $query = "UPDATE {$this->getRelationshipTable()} set $newVals WHERE id='$id'";
233 return DBManagerFactory::getInstance()->query($query);
237 * Removes one or more rows from the relationship table
238 * @param $where array of field=>value pairs to match
239 * @return bool|resource
241 protected function removeRow($where)
246 $date_modified = TimeDate::getInstance()->getNow()->asDb();
247 $stringSets = array();
248 foreach ($where as $field => $val)
250 $stringSets[] = "$field = '$val'";
252 $whereString = "WHERE " . implode(" AND ", $stringSets);
254 $query = "UPDATE {$this->getRelationshipTable()} set deleted=1 , date_modified = '$date_modified' $whereString";
256 return DBManagerFactory::getInstance()->query($query);
261 * Checks for an existing row who's keys match the one passed in.
263 * @return array|bool returns false if now row is found, otherwise the row is returned
265 protected function checkExisting($row)
267 $leftIDName = $this->def['join_key_lhs'];
268 $rightIDName = $this->def['join_key_rhs'];
269 if (empty($row[$leftIDName]) || empty($row[$rightIDName]))
272 $leftID = $row[$leftIDName];
273 $rightID = $row[$rightIDName];
274 //Check the relationship role as well
275 $roleCheck = $this->getRoleWhere();
277 $query = "SELECT * FROM {$this->getRelationshipTable()} WHERE $leftIDName='$leftID' AND $rightIDName='$rightID' $roleCheck AND deleted=0";
279 $db = DBManagerFactory::getInstance();
280 $result = $db->query($query);
281 $row = $db->fetchByAssoc($result);
291 * Gets the relationship role column check for the where clause
292 * @param string $table
295 protected function getRoleWhere($table = "", $ignore_role_filter = false)
297 $ignore_role_filter = $ignore_role_filter || $this->ignore_role_filter;
300 $table = $this->getRelationshipTable();
301 if (!empty($this->def['relationship_role_column']) && !empty($this->def["relationship_role_column_value"]) && !$ignore_role_filter )
304 $roleCheck = " AND $this->relationship_role_column";
306 $roleCheck = " AND $table.{$this->relationship_role_column}";
308 if (empty($this->def['relationship_role_column_value']))
310 $roleCheck.=' IS NULL';
312 $roleCheck.= " = '$this->relationship_role_column_value'";
319 * @param SugarBean $focus base bean the hooks is triggered from
320 * @param SugarBean $related bean being added/removed/updated from relationship
321 * @param string $link_name name of link being triggerd
322 * @return array base arguments to pass to relationship logic hooks
324 protected function getCustomLogicArguments($focus, $related, $link_name)
326 $custom_logic_arguments = array();
327 $custom_logic_arguments['id'] = $focus->id;
328 $custom_logic_arguments['related_id'] = $related->id;
329 $custom_logic_arguments['module'] = $focus->module_dir;
330 $custom_logic_arguments['related_module'] = $related->module_dir;
331 $custom_logic_arguments['link'] = $link_name;
332 $custom_logic_arguments['relationship'] = $this->name;
334 return $custom_logic_arguments;
338 * Call the after add logic hook for a given link
339 * @param SugarBean $focus base bean the hooks is triggered from
340 * @param SugarBean $related bean being added/removed/updated from relationship
341 * @param string $link_name name of link being triggerd
344 protected function callAfterAdd($focus, $related, $link_name="")
346 $custom_logic_arguments = $this->getCustomLogicArguments($focus, $related, $link_name);
347 $focus->call_custom_logic('after_relationship_add', $custom_logic_arguments);
351 * @param SugarBean $focus
352 * @param SugarBean $related
353 * @param string $link_name
356 protected function callAfterDelete($focus, $related, $link_name="")
358 $custom_logic_arguments = $this->getCustomLogicArguments($focus, $related, $link_name);
359 $focus->call_custom_logic('after_relationship_delete', $custom_logic_arguments);
363 * Adds a realted Bean to the list to be resaved along with the current bean.
365 * @param SugarBean $bean
368 public static function addToResaveList($bean)
370 if (!isset(self::$beansToResave[$bean->module_dir]))
372 self::$beansToResave[$bean->module_dir] = array();
374 self::$beansToResave[$bean->module_dir][$bean->id] = $bean;
382 public static function resaveRelatedBeans()
384 $GLOBALS['resavingRelatedBeans'] = true;
386 //Resave any bean not currently in the middle of a save operation
387 foreach(self::$beansToResave as $module => $beans)
389 foreach ($beans as $bean)
391 if (empty($bean->deleted) && empty($bean->in_save))
398 $GLOBALS['resavingRelatedBeans'] = false;
400 //Reset the list of beans that will need to be resaved
401 self::$beansToResave = array();
405 * @return bool true if the relationship is a flex / parent relationship
407 public function isParentRelationship()
409 //check role fields to see if this is a parent (flex relate) relationship
410 if(!empty($this->def["relationship_role_column"]) && !empty($this->def["relationship_role_column_value"])
411 && $this->def["relationship_role_column"] == "parent_type" && $this->def['rhs_key'] == "parent_id")
418 public function __get($name)
420 if (isset($this->def[$name]))
421 return $this->def[$name];
425 case "relationship_type":
427 case 'relationship_name':
430 return $this->getLHSModule();
432 return $this->getRHSModule();
434 isset($this->def['lhs_table']) ? $this->def['lhs_table'] : "";
436 isset($this->def['rhs_table']) ? $this->def['rhs_table'] : "";
438 return array('lhs_table', 'lhs_key', 'rhs_module', 'rhs_table', 'rhs_key', 'relationship_type');
441 if (isset($this->$name))